frequencies

At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.

在低频率(譬如每秒十次)时, 所感觉到的是脉冲而非振动.

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It was found that the frequencies of Cd variation and Cd loss were obviously higher and maximum diameter of Cd was smaller in habitual abortion patients than those in healthy persons.

发现习惯性流产患者的Cd结构变异和Cd结构消失的频率明显高于正常人，Cd结构最大横径明显小于正常人。

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The deformation frequencies are not sufficiently distinctive.

其变形频率不是十分明显的.

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A wavefront at high radio frequencies or optical frequencies impinging on the atmosphere is distorted.

高射电频率或光学频率的波阵面进入大气时受到畸变.

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METHODS: The experiment was conducted in the laboratory of Institute of Molecular Medicine, Nagoya University Medical School from December 2003 to August 2004.Chondrocyte culture plates were placed in a vibratory apparatus and subjected to a vibratory load at various frequencies and periods during culture.

方法：实验于2003-12/2004-08在日本名古屋市立大学分子医学研究所生体制御部门实验室完成。将培养的软骨细胞置于一个振动装置中，在不同的振动频率和时间里进行培养。

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The electromagnetic spectrum covers an enormous range of frequencies and energies.

电磁波谱包括极大的频率和能量范围.

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The influence of coriolis force on the natural frequencies of the rotor blades is analysed by the finite element method.

本文用有限元法分析了柯氏力对桨叶旋转面固有振动频率的影响。

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For an initial service, a 10 megahertz-wide band of frequencies will be needed.

初始服务需要10兆赫宽的频带。

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This radio station broadcasts on three different frequencies.

这家电台用三种不同的周率广播.

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Positive frequencies are produced by anticlockwise rotation and negative frequencies by clockwise rotation.

正频率是用逆时针旋转来产生,而负频率是用顺时针旋转来产生.

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Confined waves have definite frequencies.

被限制的波具有确定的频率.

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resonant frequencies

谐振频率

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Using a Q-switched YAG laser with three frequencies, the chemical deposition of a Ni-Pd-P nano-film on the semiconductor silicon substract is obtained at ambient temperature.

使用脉冲三波长Nd：YAG激光实现了室温下半导体硅上化学沉积Ni-Pd-P纳米膜。

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It's easier to find and acquire jamming equipment for some frequencies than it is for others.

某些频率比其他频率更容易找到并获取阻断其信号的设备。

四级真题- 2016年 12月 1卷 信息匹配

Active galactic nuclei ( AGNs) with high-confidence level have been detected by EGRET identification. All these AGNs are the radio bright, with the dramatic peak of the luminosity spectra at γ-ray frequencies, rapid optical variability, and the high fraction of superluminal sources.

EGRET空间望远镜已检测到66颗高置信度的γ射线活动星系核.这些活动星系核都是射电强的，具有很高的光度，迅速的光学变化，有相当的比例是机超光速源。

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There are only a limited number of broadcasting frequencies.

只有数量有限的广播频率。

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Electromagnetic radiation with frequencies in the ultraviolet and visible region can be absorbed by molecules.

分子能吸收频率在紫外和可见光区的电磁辐射.

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For SCM/ WDM system, the nonlinear interference between subcarrier channels is severe because the channel spacing is very narrow and the interference components fall into the signal frequencies.

在SCM/WDM光纤通信系统中，由于相邻光波信道的间隔非常窄，所以相邻光波信道间的非线性效应很严重而且产生的干扰信号会落入有用信号的信道内形成寄生干扰。

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The high frequencies are attenuated.

高频成分被削减.

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The two constituent frequencies are clearly discernible.

可以清楚地辨别出两种成分的频率来.

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Resonant frequencies are related to the shape and size dimensions of the element.

共振频率与这种元件的形状和大小有关.

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If the frequencies are low, this approach cannot be used.

若频率很低时, 这种方法就不能使用.

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It is showed that in management and art theses the frequencies of interpersonal themes are higher than others.

研究发现，管理类和文科类的学位论文中人际主位的使用频率高于其他学科。

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The frequencies of the returned beams are compared with them to obtain the true ground speed.

将它们与反回射束作对比而获得真实的地面速度.

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Add the frequencies in each class to find the class that contains that centermost element.

把每一组的频率逐组相加,找出包含中位数的那一组.

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The department will make sure that newly launched satellites don't use radio frequencies that would interfere with existing satellites, and schedule when such new satellites can be launched.

该部门将确保新发射的卫星不使用会干扰现有卫星的无线电频率，安排新卫星的发射时间。

六级真题- 2019年 6月 2卷 阅读B

Its chief characteristics is on repetitive nerve stimulation with 5-50 frequencies. The amplitude increases progressively. It requires making differential diagnosis to Lambert-Eaton syndrome.

主要特点是用每秒5～50次连续电刺激神经，诱发肌肉动作电位波幅渐增，用此可协助确定肉毒中毒的诊断，但需和Lambert-Eaton综合征鉴别。

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Security devices are required to list the frequencies they broadcast on — that means that a potential thief can find what they need to know with minimal Googling.

安保设备被要求列出它们发出信号的频率——这意味着潜在的窃贼可以通过简单的在谷歌上搜索一下，就能找到他们需要的信息。

四级真题- 2016年 12月 1卷 信息匹配

In order to overcome the problem of blind speed in the dual-satellite radar's SAR-GMTI, a method is designed to work at three different operating frequencies.

针对同轨近距双星结构下SAR-GMTI方法的盲速问题，提出综合3个工作频率的成像检测结果以完成GMTI。

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...UHF frequencies of around 900 megahertz.

大约900兆赫的超高频率

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